High Resolution X-Ray Study on Anomalous Diffraction Peak Shift in Dimerized Langmuir-Blodgett Superlattice Films

Yoshio Nogami; Kazuyoshi Ogasawara; Shigeki Takeuchi; Takehiko Ishiguro; Tetsuo Nakajima; Kazumasa Ohsumi; Yutaka Shimizugawa

doi:10.1143/JPSJ.62.3114

High Resolution X-Ray Study on Anomalous Diffraction Peak Shift in Dimerized Langmuir-Blodgett Superlattice Films

Yoshio Nogami, Kazuyoshi Ogasawara, Shigeki Takeuchi, Takehiko Ishiguro, Tetsuo Nakajima, Kazumasa Ohsumi, Yutaka Shimizugawa

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Structures of Langmuir-Blodgett (LB) superlattice films formed with alternately deposited fatty acid Cd salts with different alkyl-chain length are studied by high resolution X-ray diffraction method using a synchrotron radiation source. The remarkable diffraction peak shift is observed in the superlattice film. The shift is interpreted in terms of the Guinier effect in partially-disordered superlattice system. Simultaneous modulation of molecular position and of molecular scattering factor results in the peak shift. The effect of alkyl-chain species substitution and of cooling on the peak shift are also described. The partial disorder in the superlattice is caused by dissolution of LB film.

Original language	English
Pages (from-to)	3114-3126
Number of pages	13
Journal	journal of the physical society of japan
Volume	62
Issue number	9
DOIs	https://doi.org/10.1143/JPSJ.62.3114
Publication status	Published - 1993

Keywords

Langmuir-Blodgett film
X-ray diffraction
amplitude
phase modulations
superlattice

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1143/JPSJ.62.3114

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title = "High Resolution X-Ray Study on Anomalous Diffraction Peak Shift in Dimerized Langmuir-Blodgett Superlattice Films",

abstract = "Structures of Langmuir-Blodgett (LB) superlattice films formed with alternately deposited fatty acid Cd salts with different alkyl-chain length are studied by high resolution X-ray diffraction method using a synchrotron radiation source. The remarkable diffraction peak shift is observed in the superlattice film. The shift is interpreted in terms of the Guinier effect in partially-disordered superlattice system. Simultaneous modulation of molecular position and of molecular scattering factor results in the peak shift. The effect of alkyl-chain species substitution and of cooling on the peak shift are also described. The partial disorder in the superlattice is caused by dissolution of LB film.",

keywords = "Langmuir-Blodgett film, X-ray diffraction, amplitude, phase modulations, superlattice",

author = "Yoshio Nogami and Kazuyoshi Ogasawara and Shigeki Takeuchi and Takehiko Ishiguro and Tetsuo Nakajima and Kazumasa Ohsumi and Yutaka Shimizugawa",

year = "1993",

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language = "English",

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publisher = "Physical Society of Japan",

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T1 - High Resolution X-Ray Study on Anomalous Diffraction Peak Shift in Dimerized Langmuir-Blodgett Superlattice Films

AU - Nogami, Yoshio

AU - Ogasawara, Kazuyoshi

AU - Takeuchi, Shigeki

AU - Ishiguro, Takehiko

AU - Nakajima, Tetsuo

AU - Ohsumi, Kazumasa

AU - Shimizugawa, Yutaka

PY - 1993

Y1 - 1993

N2 - Structures of Langmuir-Blodgett (LB) superlattice films formed with alternately deposited fatty acid Cd salts with different alkyl-chain length are studied by high resolution X-ray diffraction method using a synchrotron radiation source. The remarkable diffraction peak shift is observed in the superlattice film. The shift is interpreted in terms of the Guinier effect in partially-disordered superlattice system. Simultaneous modulation of molecular position and of molecular scattering factor results in the peak shift. The effect of alkyl-chain species substitution and of cooling on the peak shift are also described. The partial disorder in the superlattice is caused by dissolution of LB film.

AB - Structures of Langmuir-Blodgett (LB) superlattice films formed with alternately deposited fatty acid Cd salts with different alkyl-chain length are studied by high resolution X-ray diffraction method using a synchrotron radiation source. The remarkable diffraction peak shift is observed in the superlattice film. The shift is interpreted in terms of the Guinier effect in partially-disordered superlattice system. Simultaneous modulation of molecular position and of molecular scattering factor results in the peak shift. The effect of alkyl-chain species substitution and of cooling on the peak shift are also described. The partial disorder in the superlattice is caused by dissolution of LB film.

KW - Langmuir-Blodgett film

KW - X-ray diffraction

KW - amplitude

KW - phase modulations

KW - superlattice

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High Resolution X-Ray Study on Anomalous Diffraction Peak Shift in Dimerized Langmuir-Blodgett Superlattice Films

Abstract

Keywords

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